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Duke University

(Encyclopedia)Duke University, at Durham, N. C.; coeducational; opened 1838, chartered 1841 as Union Institute in Randolph County. Reorganized 1852 as Normal College, it became Trinity College (Methodist) in 1859 a...

Cram, Donald James

(Encyclopedia)Cram, Donald James, 1919–2001, American chemist, b. Chester, Vt., Ph.D. Harvard, 1947. A professor at the Univ. of California at Los Angeles, Cram expanded on the work of Charles J. Pedersen by synt...

Kahn, Julius

(Encyclopedia)Kahn, Julius kän [key], 1861–1924, American legislator, b. Germany. He arrived (1866) in California as a child. He studied law in San Francisco, was elected (1892) to the state legislature, and was...

Bridges, Robert Seymour

(Encyclopedia)Bridges, Robert Seymour, 1844–1930, English poet. In 1882 he abandoned medical practice to devote himself to writing. An excellent metrist, he wrote many beautiful lyrics and longer poems, noted for...

Strachey, Lytton

(Encyclopedia)Strachey, Lytton (Giles Lytton Strachey), 1880–1932, English biographer and critic, educated at Cambridge. He was one of the leading members of the Bloomsbury group. Strachey is credited with having...

Lehn, Jean-Marie

(Encyclopedia)Lehn, Jean-Marie zhäNˈ-märēˈ lĕN [key], 1939–, French chemist, Ph.D. Univ. of Strasbourg, 1963. A professor at Louis Pasteur Univ. (1970–78) and the Collège de France (1979–), Lehn did gr...

virtual telescope

(Encyclopedia)virtual telescope, a computerized interferometer (see interference) that merges the images from two or more telescopes to obtain a single, large, enhanced image. The image in each telescope is made fr...

sky

(Encyclopedia)sky, apparent dome over the earth, background of the clouds, sun, moon, and stars. The blue color of the clear daytime sky results from the selective scattering of light rays by the minute particles o...

tamoxifen

(Encyclopedia)tamoxifen təmŏkˈsĭfĕnˌ [key], synthetic hormone used in the treatment of breast cancer. Introduced in 1978, tamoxifen is used to prevent recurrences of cancer in women who have already undergone...

piezoelectric effect

(Encyclopedia)piezoelectric effect pīēˌzōĭlĕkˈtrĭk [key], voltage produced between surfaces of a solid dielectric (nonconducting substance) when a mechanical stress is applied to it. A small current may be ...